MIT线性代数笔记-第七讲

computing the null space A=⎡⎣⎢1232462682810⎤⎦⎥−>⎡⎣⎢100200222244⎤⎦⎥−>⎡⎣⎢100200220240⎤⎦⎥=U A = [ 1 2 2 2 2 4 6 8 3 6 8 10 ] − > [ 1 2 2 2 0 0 2 4 0 0 2 4 ] − > [ 1 2 2 2 0 0 2 4 0 0 0 0 ] = U 注意到，A有两个pi

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